Coronary artery segmentation in X-ray angiograms using gabor filters and differential evolution

被引:11
作者
Cervantes-Sanchez, Fernando [1 ]
Cruz-Aceves, Ivan [2 ]
Hernandez-Aguirre, Arturo [1 ]
Solorio-Meza, Sergio [3 ]
Cordova-Fraga, Teodoro [4 ]
Gabriel Avina-Cervantes, Juan [5 ]
机构
[1] Ctr Invest Matemat AC CIMAT, Jalisco S-N,Col Valenciana, Guanajuato, Gto, Mexico
[2] CONACYT, Ctr Invest Matemat AC CIMAT, Jalisco S-N,Col Valenciana, Guanajuato, Gto, Mexico
[3] UMAE 1 Bajio, Unidad Invest, IMSS, Leon, Gto, Mexico
[4] Univ Guanajuato, DCI, Dept Ingn Fis, Leon, Gto, Mexico
[5] Univ Guanajuato, DICIS, Dept Elect, Salamanca, Gto, Mexico
关键词
Coronary arteries; Differential evolution; Gabor filters; Medical imaging; Vessel detection; X-ray angiograms; DIGITAL RETINAL IMAGES; BLOOD-VESSELS; THRESHOLD SELECTION; MATCHED-FILTER; OPTIMIZATION; ENHANCEMENT; ALGORITHM; TREE;
D O I
10.1016/j.apradiso.2017.08.007
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Segmentation of coronary arteries in X-ray angiograms represents an essential task for computer-aided diagnosis, since it can help cardiologists in diagnosing and monitoring vascular abnormalities. Due to the main disadvantages of the X-ray angiograms are the nonuniform illumination, and the weak contrast between blood vessels and image background, different vessel enhancement methods have been introduced. In this paper, a novel method for blood vessel enhancement based on Gabor filters tuned using the optimization strategy of Differential evolution (DE) is proposed. Because the Gabor filters are governed by three different parameters, the optimal selection of those parameters is highly desirable in order to maximize the vessel detection rate while reducing the computational cost of the training stage. To obtain the optimal set of parameters for the Gabor filters, the area (Az) under the receiver operating characteristics curve is used as objective function. In the experimental results, the proposed method achieves an A(z) = 0.9388 in a training set of 40 images, and for a test set of 40 images it obtains the highest performance with an A(z) = 0.9538 compared with six state-of-the-art vessel detection methods. Finally, the proposed method achieves an accuracy of 0.9423 for vessel segmentation using the test set. In addition, the experimental results have also shown that the proposed method can be highly suitable for clinical decision support in terms of computational time and vessel segmentation performance.
引用
收藏
页码:18 / 24
页数:7
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